Brown Diving Beetle vs Cave ground-beetle

Agabus brunneus compared with Trechus terceiranus

Key Differences

• Brown Diving Beetle is Extinct while Cave ground-beetle is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Cave ground-beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Coleoptera (Beetles)	Coleoptera (Beetles)
Family	Dytiscidae	Carabidae
Genus	Agabus	Trechus
Species	Agabus brunneus	Trechus terceiranus

Evolutionary Relationship

Brown Diving Beetle and Cave ground-beetle share a common ancestor at the Order level: Coleoptera. (Beetles)

Conservation Status

Brown Diving Beetle

EX — Extinct

Cave ground-beetle

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Cave ground-beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Cave ground-beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Cave ground-beetle

The Cave ground-beetle (Trechus terceiranus) is a species in the genus Trechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.